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Finding the Fourth Proportional to 586,482.95, 876,085.50 and 425,279.18

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Solution

The fourth proportional to 586,482.95, 876,085.50 and 425,279.18 is: 635,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,482.95 : 876,085.50 = 425,279.18 : x
  2. Step 2: Convert to fraction form
    586,482.95/876,085.50 = 425,279.18/x
  3. Step 3: Cross multiply
    586,482.95x = 876,085.50 × 425,279.18
  4. Step 4: Simplify right side
    586,482.95x = 372,580,918,669.46
  5. Step 5: Solve for x
    x = 372,580,918,669.46/586,482.95
  6. Step 6: Final answer
    x = 635,280.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.