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Finding the Fourth Proportional to 583,715.68, 805,492.92 and 338,681.52

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Solution

The fourth proportional to 583,715.68, 805,492.92 and 338,681.52 is: 467,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,715.68 : 805,492.92 = 338,681.52 : x
  2. Step 2: Convert to fraction form
    583,715.68/805,492.92 = 338,681.52/x
  3. Step 3: Cross multiply
    583,715.68x = 805,492.92 × 338,681.52
  4. Step 4: Simplify right side
    583,715.68x = 272,805,566,494.84
  5. Step 5: Solve for x
    x = 272,805,566,494.84/583,715.68
  6. Step 6: Final answer
    x = 467,360.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.