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Finding the Fourth Proportional to 560,686.68, 841,022.10 and 260,999.64

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Solution

The fourth proportional to 560,686.68, 841,022.10 and 260,999.64 is: 391,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,686.68 : 841,022.10 = 260,999.64 : x
  2. Step 2: Convert to fraction form
    560,686.68/841,022.10 = 260,999.64/x
  3. Step 3: Cross multiply
    560,686.68x = 841,022.10 × 260,999.64
  4. Step 4: Simplify right side
    560,686.68x = 219,506,465,332.04
  5. Step 5: Solve for x
    x = 219,506,465,332.04/560,686.68
  6. Step 6: Final answer
    x = 391,495.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.